Display screen or portion thereof with icon



FIG. 1 is a front view of a first embodiment of a display screen or portion thereof with icon showing our new design;

FIG. 2 is a front view of a second embodiment thereof;

FIG. 3 is a front view of a third embodiment thereof; and,

FIG. 4 is a front view of a fourth embodiment thereof.

The broken line showing of the display screen or portion thereof forms no part of the claimed design. 

CLAIM We claim the ornamental design for a display screen or portion thereof with icon, as shown and described. 